How to mend ... Boiler Help Cold

DHW fluctuates too much hot/ cold?

I have a BAXI LUNA 310 Fi.high efficiency wall mounted combination boiler. The DHW cycles toooo low allowing ... [Read more]

my vokera boiler wont stay on!!!!?

when we turn on the hot water the green light comes on then after about 30-40 seconds just turns off and goes ... [Read more]

Potterton profile 60e not firing-up?

my potterton profile 60e has been struggling to fire-up from cold. fan ran for short time and stopped. Eventua... [Read more]

lock out on Baxi 100/2he condensing boiler?

I get lock out when cold on start up, then reset and works fine for a few hours, but then locks out sporadical... [Read more]

Potterton Performer 24?

Hi, when we turn the shower on the boiler flames goes on and off the whole time ? So we get hot water for 1 m... [Read more]

cannot control hot water vaillant ecoTEC plus 624?

We have a three year old ECOtek plus 624 that has been fine until now. We have just installed a new show with ... [Read more]

Valiant F22 low pressure problem?

Afer a day out, i came home to have a shower only to find cold water coming out. I checked the bolier and had... [Read more]

Heatline C24 virtually no hot water to Bath taps unless tap open only a bit?

Hi The heatline 24 combi boiler supplies hot water to bath taps only when run very low, ie tap on only a litt... [Read more]

I have a sime 100c format combi boiler intermitedely hot and cold?

The boiler produces hot water on and off repetidly and also same problem when i turn on heating .

ravenheat boiler problem?

got a ravenheat csi 120 and the pressure keeps rising until pressure release kicks in. the filling loop is dis... [Read more]

ferroli boiler prob?

every time it calls for hot water it will run hot then turn cold then hot again any answers pleaseedwardo

problem with hot water on ariston boiler?

hi all i have ariston boiler which we inherited when moving in to house but have major problem with hot water... [Read more]

the hot water goes off when i put the cold water on ?

when i put the hot water on the boiler fires up same with the shower upstaires but when you turn the cold wate... [Read more]

how to fix valance 835 boiler ecomax?

Error code f.25 and f28 are coming up. When power is switched on the temp rises to max 100degrees and then go... [Read more]

potterton suprima 40L hot water but no heating downstairs?

I have a Potterton Suprima 40L about 6 yr old. Had no problems with it over the past years. I have no central... [Read more]

water temp going up and down?

the problem is that when i take a shower, water stays hot (as i like), then starts to go cold'ish, then back t... [Read more]

saunier duval boiler ?

Heating comes on ..got hot water ...but all radiators still cold ?? any advice please ....

We have a Glowworm combi boiler and hot water is erratic?

We have a 30cxi combi boiler which constantly loses hot water going from scoulding hot to stone cold in second... [Read more]

my Vokera Linea 24 Combi Boiler hot water runs hot and cold?

when I turn my hot water tap on it runs hot the after a short while goes cold then start running hot again, an... [Read more]

Ideal combi boiler ?

I have good cold water pressure but poor hot water flow, particularly the shower any suggestions please